Function fetch_container_details

library/LuaWrapper.cpp:241–256

}

static void fetch_container_details(lua_State *state, int meta, const type_identity **pitem, int *pcount)
{
    if (!meta) return;

    lua_getfield(state, meta, "_field_identity");
    *pitem = (type_identity*)lua_touserdata(state, -1);
    lua_pop(state, 1);

    if (pcount)
    {
        lua_getfield(state, meta, "_count");
        if (lua_isnumber(state, -1))
            *pcount = lua_tointeger(state, -1);
        lua_pop(state, 1);
    }
}

/**
 * Check if type1 and type2 are compatible, possibly using additional metatable data.